MITRE uses various logging and tracking mechanisms to support the detection, reporting, or recovery from attempted intrusions into attack.mitre.org. MITRE will not provide any information that identifies specific individuals, e.g., email addresses or IP addresses, to any other organization, except where required by law. The IP address and its associated domain name (if any) may be used to track how users navigate through the ATT&CK Web site. MITRE may provide broad demographic information to other organizations.”]
Source: https://collaborate.mitre.org/attackics/index.php/attackics:Privacy_policy